Portsmouth
10 day weather forecast for Portsmouth
Friday, 29th August 2025, at 09:47
today
19° 15°
tomorrow
20° 15°
Sunday
19° 15°
Monday
18° 16°
Tuesday
19° 15°
Wednesday
18° 14°
Thursday
19° 15°
more
Portsmouth Weather Pages
Portsmouth weather forecast
The weather forecast for Portsmouth over the next 5 days indicates comfortable conditions with temperatures ranging from 18 °C to 20 °C.
Rain is expected today and will continue at least through Tuesday.
Wind speeds are expected to be strong, averaging around 30 km/h.
Portsmouth 14 days weather forecast
This weeks weather in Portsmouth. Click on a date for detailed forecasts
Fri. 29
19°
15°
19.8 mm
Sat. 30
20°
15°
4.2 mm
Sun. 31
19°
15°
2.7 mm
Mon. 1
18°
16°
6.4 mm
Tue. 2
19°
15°
1.4 mm
Wed. 3
18°
14°
1.1 mm
Thu. 4
19°
15°
0.3 mm
Fri. 5
19°
13°
0.4 mm
Sat. 6
19°
16°
0.2 mm
Sun. 7
20°
15°
0 mm
Mon. 8
21°
15°
0 mm
Tue. 9
21°
12°
0 mm
Wed. 10
19°
12°
0 mm
Thu. 11
20°
16°
0 mm
Further Ahead
You can click on date
Access Portsmouth weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Portsmouth long range weather forecast
30 day weather forecast for Portsmouth
Important Notice
Our Portsmouth long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Portsmouth
The chart displays the expected rainfall values (in mm) over the next 14 days in Portsmouth, highlighting variations in precipitation levels for specific dates. ☔
Portsmouth Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in Portsmouth over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
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Get accurate weather forecasts for Portsmouth, located at latitude 50.799 and longitude -1.091. Stay updated with localized weather information tailored for Portsmouth.
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